1998 Pontiac Grand Prix Owner's Manual - Page 13
1998 Pontiac Grand Prix Manual
Page 13 highlights
Sitting in a reclined position when your vehicle is in motion can be dangerous. Even buckle if you up, yoursafety belts can'tdo their job when you're reclined like this. The shoulder belt can't its job because it do won't be against your body. Instead, it will be in front of you. In a crash you could go into it, receiving neck or other injuries. But don't have a seatback reclined if your vehicle is moving. The lap belt can't do its job either. In a crash the belt could go over your abdomen. The belt up forces wouldbe there, notat your pelvic bones. This could cause serious internal injuries. For properprotection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly. Head Restraints Slide the head restraint up down so that the top the or of restraint is closest to the top of your ears. This position of reduces the chance a neck injuryin a crash. 1-6